Reconciling early Deccan Traps CO 2 outgassing and pre-KPB global climate

Hernandez Nava, Andres; Black, Benjamin A.; Gibson, Sally A.; Bodnar, Robert J.; Renne, Paul R.; Vanderkluysen, Loÿc

doi:10.1073/pnas.2007797118

Cited by 52

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Reconciling early Deccan Traps CO 2 outgassing and pre-KPB global climate

Hernandez Nava, Andres, Black, Benjamin A., Gibson, Sally A., Bodnar, Robert J., Renne, Paul R., Vanderkluysen, Loÿc·2021·Proceedings of the National Academy of Sciences

DOI 10.1073/pnas.2007797118

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Abstract

Significance: Carbon outgassing from Large Igneous Provinces has been invoked as a mechanism to drive major climate shifts throughout Earth’s history. However, the lack of direct constraints on evolving carbon release from magmas in these provinces represents a major challenge for understanding the relationship between magmatism and environmental change. This paper presents constraints on CO 2 contents of early Deccan Traps lavas based on studies of olivine-hosted melt inclusions. We use these data to evaluate links between early Deccan carbon outgassing and an episode of pronounced warming just prior to the end-Cretaceous mass extinction. By accounting for evolving CO 2 budgets and degassing from intrusive magmas, this work quantitatively relates magma emplacement, outgassing, and observed changes in paleoclimate.

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Authors: Hernandez Nava, A., Black, B. A., Gibson, S. A., Bodnar, R. J., Renne, P. R., & Vanderkluysen, L.
Affiliations: Department of Earth and Environmental Sciences, The Graduate Center of New York, City University of New York, New York, NY 10016;
Department of Earth Sciences, University of Cambridge, CB2 3EQ Cambridge, United Kingdom;
Department of Geosciences, Virginia Tech, Blacksburg, VA 24060;
Department of Earth and Planetary Science, University of California, Berkeley, CA 94720-4767;
Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, PA 19104
ORCID: Black, Benjamin A.
Renne, Paul R.
Vanderkluysen, Loÿc
Venue: Proceedings of the National Academy of Sciences
Publisher: National Academy of Sciences
Published: 2021-03-29
Volume: 118
Issue: 14
ISSN: 0027-8424
1091-6490
DOI: 10.1073/pnas.2007797118
Cited by: 52
References: 4
Language: en
Licence: www.pnas.org/site/aboutpnas/licenses.xhtml (vor, 184 d)
Funders: National Science Foundation (1615147, 1615021, 1615003)

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The paper: Hernandez Nava, A., Black, B. A., Gibson, S. A., Bodnar, R. J., Renne, P. R., & Vanderkluysen, L. (2021). Reconciling early Deccan Traps CO 2 outgassing and pre-KPB global climate. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2007797118

Reconciling early Deccan Traps CO 2 outgassing and pre-KPB global climate

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